3628154881 has 8 divisors (see below), whose sum is σ = 4041976680. Its totient is φ = 3233580672.

The previous prime is 3628154867. The next prime is 3628154891. The reversal of 3628154881 is 1884518263.

It can be written as a sum of positive squares in 4 ways, for example, as 5198400 + 3622956481 = 2280^2 + 60191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3628154881 - 2⁷ = 3628154753 is a prime.

It is a super-2 number, since 2×3628154881² = 26327015681048248322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628154891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811500 + ... + 4812253.

It is an arithmetic number, because the mean of its divisors is an integer number (505247085).

Almost surely, 2^3628154881 is an apocalyptic number.

It is an amenable number.

3628154881 is a deficient number, since it is larger than the sum of its proper divisors (413821799).

3628154881 is a wasteful number, since it uses less digits than its factorization.

3628154881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623795.

The product of its digits is 368640, while the sum is 46.

The square root of 3628154881 is about 60234.1670565801. The cubic root of 3628154881 is about 1536.6039293220.

The spelling of 3628154881 in words is "three billion, six hundred twenty-eight million, one hundred fifty-four thousand, eight hundred eighty-one".